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2
EMC STANDARDS
Mitsubishi Electric general-purpose AC servo MELSERVO complies with the product family standard EN 61800-3. This
standard largely regulates two types of tolerance, emission and immunity.
Emission (EMI: Electromagnetic Interference) is the ability to prevent equipment from emitting obstructive noise that
adversely affects external sources.
Immunity (EMS: Electromagnetic Susceptibility) is the ability to prevent equipment from being affected by obstructive noise
from external sources.
The following table shows the classification.
Class
Standard
Emission
IEC 61800-3
Electromagnetic
interference (EMI)
(Obstructive emission from
the product)
Immunity
IEC 61800-3
Electromagnetic
susceptibility (EMS)
(Immunity to interference)
*1 The latest standards applicable to servo systems. For the standards of the servo motor to be used, refer to the instruction manual and
user's manual of the servo amplifier to be used.
*1
Name
Power drive system (PDS) - Electromagnetic
compatibility (EMC)
EN 55011
Industrial, scientific, and medical radio
frequency equipment - Radio-frequency
disturbance characteristics
CISPR 11
Industrial, scientific and medical equipment -
Radio-frequency disturbance characteristics -
Limits and methods of measurement
Power drive system (PDS) - Electromagnetic
compatibility (EMC)
IEC 61000-4-2
Electrostatic discharge immunity test
IEC 61000-4-3
Radiated, radio-frequency, electromagnetic field
immunity test
IEC 61000-4-4
Electrical fast transient/burst immunity test
IEC 61000-4-5
Surge immunity test
IEC 61000-4-6
Immunity to conducted disturbances, induced
by radio-frequency fields
IEC 61000-4-8
Power-frequency magnetic field immunity test
IEC 61000-4-11
Voltage dips, short interruptions and voltage
IEC 61000-4-34
variations immunity tests
Environment
2nd Environment
(Category C3/C2)
Commercial, light industrial, and
industrial environments
(C3: Commercial, light industrial, and
industrial environments C2: In addition to
C3 environments, the servo motor can be
used conditionally in residential
environments, provided that it is installed
and adjusted by specialists.)
2 EMC STANDARDS
2
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